Duduma Sports Sunglasses Superlight Unbreakable for Running Cycling Fishing Golf Driving Blocks 100% Harmful UVA & UVB Rays Certified UV400 Protection Lightweight design is ideal for usage by motorcycle and cycling bicycle, driving, running, fishing, racing, Skiing and climbing, Trekking or other outdoor activities enthusiasts Lifetime Breakage Warranty on Frame & Lens 30 Day Money Back Guarantee